For weekends backpacking and lighter-weight multiday-overnight trips where comfort and ventilation are paramount, you can't find a better pack than the Atmos AG 50. AntiGravity suspension delivers a weight-defying fit that seamlessly envelopes your back and hips in 3D-suspended mesh, leaving you wondering where all that weight you packed went. Your water bottles fit snugly in the easy-to-use stretch mesh side pockets, an internal reservoir sleeve extends your hydration options and a Stow-on-the-Go trekking pole attachment gets your gear out of the way when you need both hands free. If the weather happens to turn, turn to the integrated raincover to keep things dry. Don't compromise—enjoy a world class backpacking pack on your next big adventure. Made with recycled main, accent and bottom fabrics. SPECS LOAD RANGE 25 - 35 lbs. SIZE VOLUME DIMENSIONS WEIGHT L/XL 3234 IN3 / 53 L 33.86H X 14.96W X 12.2D IN. 4.509 LBS. S/M 3051 IN3 / 50 L 31.89H X 14.96W X 12.2D IN. 4.32 LBS. FABRIC MAINbluesign® approved recycled 210D honey comb nylon, PFC/PFAS-free DWRACCENTbluesign® approved recycled 210D high tenacity nylon, PFC/PFAS-free DWRBOTTOMbluesign® approved recycled 500D high tenacity nylon, PFC/PFAS-free DWR